Wyo. Stat. § 15-7-402
The board of public utilities shall consist of five (5) members to be appointed by the mayor with the advice and consent of the governing body. Members appointed shall be persons of business experience, not less than thirty (30) years of age, citizens of the United States and for five (5) years immediately preceding their appointment residents of the city or town. One (1) member of the board shall be appointed for a term of two (2) years, two (2) for a term of four (4) years and two (2) for a term of six (6) years. Thereafter each member shall be appointed for a term of six (6) years. Any member of the board may be removed by the mayor with the concurrence of the governing body for cause other than politics or religion after public hearing. The mayor shall fill any vacancy by appointment for the unexpired term only.
W.S. 15-7-402